The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 17, 1990
Filed:
Apr. 29, 1988
Applicant:
Inventors:
Toshimi Satake, Tokyo, JP;
Toshiaki Minami, Tokyo, JP;
Fumio Fujimura, Tokyo, JP;
Satoshi Oda, Ikoma, JP;
Masato Magami, Nakatsu, JP;
Assignees:
Jujo Paper Co., Ltd., Tokyo, JP;
Yoshitomi Pharmaceutical Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
503209 ; 427150 ; 427151 ; 503208 ; 503216 ; 503217 ; 503220 ; 503221 ; 503225 ;
Abstract
A thermosensitive recording sheet having a thermosensitive color developer layer containing a basic leuco dye and an organic color developer, said layer containing a compound of the formula ##STR1## as a sensitizer.